The perfect choice for Knitting, Crochet, Needlepoint, Punchneedle Embroidery, Hardanger, Edge Stitching, Sashiko, Big Stitch Quilting, Crazy Quilt Embroidery and more. 100% extra-long staple Egyptian cotton, mercerized for strength, colorfast, bleachfast* and shrinkfast. * All colors are Bleachfast except 1163, 1166, 3802, 3810, & 3822. These colors are Colorfast but not Bleachfast.